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Microchip Technology SST39VF010-70-4C-WHE
- Part No.:
- SST39VF010-70-4C-WHE
- Manufacturer:
- Microchip Technology
- Category:
- Memory
- Package:
- 32-TFSOP (0.488", 12.40mm Width)
- Datasheet:
-
SST39VF010-70-4C-WHE.pdf
- Description:
- IC FLASH 1MBIT PARALLEL 32TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:525
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Product details
Overview
SST39VF010-70-4C-WHE from Microchip Technology (formerly Silicon Storage Technology) is a 1 Mbit (128K × 8) CMOS Multi-Purpose Flash memory IC designed for nonvolatile program/data storage in embedded systems. It operates from 2.7–3.6 V, features 70 ns read access time, 100,000 write/erase cycles endurance, and 100+ years data retention. It is commonly used in firmware storage for industrial controllers and legacy BIOS modules.
For engineers reviewing the SST39VF010-70-4C-WHE datasheet, SST39VF010-70-4C-WHE pinout, SST39VF010-70-4C-WHE application, or SST39VF010-70-4C-WHE equivalent, key selection criteria include its 2.7–3.6 V wide VDD range, JEDEC-standard x8 parallel interface, sector-erase architecture (4 KB uniform sectors), and compatibility with legacy 8-bit microcontroller buses requiring byte-programmable flash with hardware/software data protection.
Technical Context
The SST39VF010-70-4C-WHE implements SST's SuperFlash technology with split-gate cell design and thick-oxide tunneling injector, enabling fixed erase/program times independent of cycle count. It supports standard JEDEC command sets for Byte-Program, Sector-Erase (30H), and Chip-Erase (10H), all initiated via three- or six-byte software sequences with address latching on CE# or WE# edges.
Read operations require both CE# and OE# low; outputs enter high-impedance state when either is high. Write status is confirmed via Data# Polling (DQ7) or Toggle Bit (DQ6), with detection enabled after the fourth (Program) or sixth (Erase) WE#/CE# pulse. Hardware protections include noise/glitch immunity (<5 ns pulses ignored), VDD power-up/down detection (<1.5 V inhibits writes), and write-inhibit mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Memory Density | 1 Mbit (128K × 8) - provides sufficient space for boot code or configuration data in 8-bit MCU systems without external address multiplexing. |
| Read Access Time | 70 ns - enables direct interfacing with 14 MHz microcontrollers without wait states in most designs. |
| Supply Voltage Range | 2.7–3.6 V - supports single-supply operation across industrial voltage rails and battery-backed systems. |
| Endurance | 100,000 program/erase cycles - ensures reliable field updates over product lifetime in firmware-over-the-air or service-mode applications. |
| Data Retention | Greater than 100 years - guarantees long-term integrity of stored calibration tables or security keys without refresh. |
| Sector Size | 4 KByte uniform sectors - allows granular firmware patching without erasing full device, minimizing update downtime. |
| Write Detection | Toggle Bit (DQ6) and Data# Polling (DQ7) - enables efficient polling-based host firmware without dedicated interrupt lines or timers. |
Pinout & Package
Package: 32-lead TSOP (8 mm × 14 mm), RoHS compliant. Pinout conforms to JEDEC standard x8 parallel flash interface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A16 | Address Inputs | A0–A16 select 128K bytes; A16 is most significant address (AMS) for SST39VF010; unused pins (A17/A18) are NC. |
| DQ0–DQ7 | Data I/O | Bidirectional 8-bit data bus; tri-stated when CE# or OE# is high; latched internally during write cycles. |
| CE# | Chip Enable | Active-low chip select; device enters standby (1 µA) when high; required low for all operations except write inhibit. |
| OE# | Output Enable | Active-low output gate; controls data bus drive; high = high-Z regardless of CE# state. |
| WE# | Write Enable | Active-low write control; latches address/data on rising/falling edge per JEDEC timing; initiates internal Program/Erase on fourth/sixth pulse. |
| VDD | Power Supply | 2.7–3.6 V supply; powers core logic and charge pump; internal VPP generation eliminates need for external high-voltage source. |
| VSS | Ground | Reference return path for all signals and power; must be low-impedance for stable erase/write margins. |
| NC | No Connection | Pins A17, A18, and two package pads are unconnected; must remain floating or tied to ground per layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| SuperFlash Technology | Split-gate cell with thick-oxide tunneling injector delivers fixed 18 ms sector-erase and 70 ms chip-erase times, eliminating degradation-related timing de-rating in system firmware. |
| Software Data Protection | Three-byte (Program) or six-byte (Erase) JEDEC-compliant command sequences prevent accidental writes during power transitions or debug sessions. |
| Hardware Write Inhibit | Automatic lockout below 1.5 V VDD and rejection of sub-5 ns noise pulses ensure robustness in electrically noisy industrial environments. |
| CMOS I/O Compatibility | Full 2.7–3.6 V input thresholds (VIH = 0.7×VDD, VIL = 0.8 V) and rail-to-rail output swing (VOH = VDD−0.2 V, VOL = 0.2 V) guarantee interoperability with 3.3 V logic families. |
| Low Power Standby | 1 µA typical ISB current at VDD max enables always-on storage in battery-powered devices with multi-year shelf life. |
Applications
| Industrial PLC Firmware Storage | Legacy PC BIOS Modules |
|---|---|
Use Scenario: Storing ladder logic firmware and I/O mapping tables in programmable logic controllers deployed in factory automation. IC Role / Device Role / Timing Role: Nonvolatile program memory mapped to 8-bit microcontroller address space; accessed via parallel bus with CE#/OE#/WE# handshaking. Use Value: 70 ns read speed enables real-time scan-cycle execution; 4 KB sector granularity allows field updates of individual function blocks without full reflash. | Use Scenario: Holding BIOS initialization code and hardware configuration data in desktop motherboards using ISA/LPC-compatible interfaces. IC Role / Device Role / Timing Role: Boot ROM replacement with JEDEC-standard command set; directly replaces older EPROMs without PCB redesign. Use Value: 2.7–3.6 V operation supports legacy 3.3 V system rails; 100,000-cycle endurance accommodates BIOS update utilities and recovery partitions. |
| Medical Device Calibration Storage | Point-of-Sale Terminal Configuration |
Use Scenario: Retaining sensor calibration coefficients and regulatory compliance logs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Secure, long-life data archive accessed during power-up and maintenance mode; protected by hardware/software write locks. Use Value: >100-year data retention meets FDA 21 CFR Part 11 archival requirements; toggle-bit polling simplifies safety-critical firmware verification loops. | Use Scenario: Storing localized language packs, tax rate tables, and peripheral driver settings in retail EFTPOS terminals. IC Role / Device Role / Timing Role: Field-upgradable configuration memory interfaced to 8-bit microcontroller via standard parallel bus. Use Value: Sector-erase capability enables zero-downtime regional software updates; RoHS-compliant TSOP package supports automated SMT assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar flash memory applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AT29LV010A-12JC | 1 Mbit, 120 ns read access, 3.0–3.6 V only, no 2.7 V support | Limited to higher-VDD systems; lacks low-voltage flexibility for battery-backed designs | Select when board already uses 3.3 V ±10% rails and slower timing is acceptable. |
| MX29LV160ETTI-70G | 16 Mbit (2M × 8), 70 ns, 2.7–3.6 V, but requires different command set and sector map (64 KB/32 KB) | Higher density suitable for larger firmware; incompatible sector-erase addressing for drop-in replacement | Choose for new designs needing scalability; not a functional substitute without firmware changes. |
Compared with AT29LV010A-12JC and MX29LV160ETTI-70G, the SST39VF010-70-4C-WHE uniquely balances 2.7 V minimum operation, JEDEC-standard 4 KB sector architecture, and 70 ns timing-making it optimal for cost-sensitive, pin-compatible upgrades of legacy 1 Mbit flash sockets where voltage headroom and erase granularity are critical.
Availability
SST39VF010-70-4C-WHE is available at Aetrix Electronics and suitable for industrial PLC firmware storage, legacy BIOS modules, medical calibration archives, and point-of-sale terminal configuration requiring stable component supply and long-term obsolescence management.
Supply support for SST39VF010-70-4C-WHE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology acquired Silicon Storage Technology (SST) in 2016 and continues to manufacture and support the SuperFlash family of parallel and serial NOR flash devices.
The SST39VF010-70-4C-WHE belongs to the Multi-Purpose Flash (MPF) product line, engineered for cost-effective, reliable nonvolatile storage in resource-constrained 8-bit embedded systems where simplicity, low voltage operation, and JEDEC compatibility are prioritized over density or serial interface trends.
FAQ
What is the maximum operating temperature range for the SST39VF010-70-4C-WHE?
The SST39VF010-70-4C-WHE is rated for commercial operation from 0°C to +70°C and industrial operation from −40°C to +85°C, as specified in Table 6 of the official datasheet. Its 2.7–3.6 V supply range remains valid across both temperature grades, making SST39VF010-70-4C-WHE suitable for extended-temperature deployments in factory-floor or outdoor kiosk applications.
Does the SST39VF010-70-4C-WHE require an external VPP voltage for programming?
No, the SST39VF010-70-4C-WHE integrates an internal charge pump that generates the high voltage needed for programming and erasing, eliminating the need for an external VPP pin or circuitry. All write operations-including Byte-Program, Sector-Erase, and Chip-Erase-are executed using only the 2.7–3.6 V VDD supply, simplifying board design and reducing BOM count for SST39VF010-70-4C-WHE implementations.
How many address lines does the SST39VF010-70-4C-WHE use, and what is the role of A17 and A18?
The SST39VF010-70-4C-WHE uses address lines A0 through A16 (17 total) to access its 128K × 8 memory array. A17 and A18 are designated as No Connect (NC) for this density variant, as confirmed in Figure 3 and Table 1 of the datasheet. Their absence distinguishes SST39VF010-70-4C-WHE from higher-density siblings (e.g., SST39VF020 uses A17; SST39VF040 uses A18).
Can the SST39VF010-70-4C-WHE be used as a direct replacement for the SST39LF010-55-4C-WHE?
The SST39VF010-70-4C-WHE is not a direct replacement for the SST39LF010-55-4C-WHE due to differing voltage ranges (2.7–3.6 V vs. 3.0–3.6 V) and read timing (70 ns vs. 55 ns). While pinout and command set are identical, the slower access time and lower VDD minimum may impact timing margins in systems designed for the LF variant. System validation is required before substituting SST39VF010-70-4C-WHE in such applications.
What packaging options are available for the SST39VF010-70-4C-WHE?
The SST39VF010-70-4C-WHE is offered exclusively in a 32-lead TSOP (8 mm × 14 mm) package, as indicated in the datasheet's "Packages Available" section and Figure 3. The "WHE" suffix explicitly denotes this TSOP variant; PLCC packaging is available for other members of the SST39VF family (e.g., SST39VF010-70-4C-PHE), but not for SST39VF010-70-4C-WHE.
SST39VF010-70-4C-WHE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- SST39 MPF™
- Package/Case:
- 32-TFSOP (0.488", 12.40mm Width)
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Memory Type:
- Non-Volatile
- Memory Format:
- FLASH
- Technology:
- FLASH
- Memory Size:
- 1Mbit
- Memory Organization:
- 128K x 8
- Memory Interface:
- Parallel
- Clock Frequency:
- -
- Write Cycle Time - Word, Page:
- 20µs
- Access Time:
- 70 ns
- Voltage - Supply:
- 2.7V ~ 3.6V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-TSOP
SST39VF010-70-4C-WHE FAQ
1.How can I place an order for SST39VF010-70-4C-WHE through Aetrix?
Please submit a Request for Quotation (RFQ) for SST39VF010-70-4C-WHE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SST39VF010-70-4C-WHE reliable?
The price and inventory of SST39VF010-70-4C-WHE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SST39VF010-70-4C-WHE is usually 5 days.
3.What payment methods are accepted for SST39VF010-70-4C-WHE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SST39VF010-70-4C-WHE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SST39VF010-70-4C-WHE?
SST39VF010-70-4C-WHE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SST39VF010-70-4C-WHE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SST39VF010-70-4C-WHE?
For technical support, including SST39VF010-70-4C-WHE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SST39VF010-70-4C-WHE requirements.
6.How does Aetrix verify that SST39VF010-70-4C-WHE is sourced from the original manufacturer or authorized distributors?
All SST39VF010-70-4C-WHE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SST39VF010-70-4C-WHE meets industry standards.
7.What is the process for return or replacement of SST39VF010-70-4C-WHE?
All SST39VF010-70-4C-WHE units undergo pre-shipment inspection (PSI). If there is an issue with SST39VF010-70-4C-WHE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SST39VF010-70-4C-WHE part is unused and in its original packaging.
Return procedure for SST39VF010-70-4C-WHE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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